python入门学习(五 字符串string和变量variable) 1.字符串 一串字符显示或者打印出来文字信息 双引号,单引号,三引号 双引号:解析功能 单引号:无 三引号:保存文本格式 Format方法 age = 3name="jason"print("{0} was {1} years old".format(name, age))print(name +"was"+ str(age) +"years old") 2....
t = string.Template(""" Variable : $var Escape : $$ Variable in text: ${var}iable """) print('TEMPLATE:', t.substitute(values)) s = """ Variable : %(var)s Escape : %% Variable in text: %(var)siable """ print('INTERPOLATION:', s % values) S = """ Variable : {var}...
The var is the variable that is not a string.An example code is given below to elaborate on how to print a string and variable in Python.grade = "A" marks = 90 print("John doe obtained " + grade + " grade with " + str(marks) + " marks.") Output:...
INTERPOLATION:Variable:fooEscape:%Variableintext:fooiable 使用{}插值标记 importstringvalues={'var':'foo'}s="""Variable : {var}Escape : {{}}Variable in text: {var}iable"""print('FORMAT:',s.format(**values)) 输出: FORMAT:Variable:fooEscape:{}Variableintext:fooiable 模板和字符串插值或格...
Now, with "f-strings" you do:>>> mystr = 'peter' >>> f'{mystr:<10}' 'peter ' >>> f'{mystr:>10}' ' peter' What also trips me up is, suppose that the number 10 is variable. I.e. it's not hardcoded into the f-string but a variable from somewhere else. Here's how...
python string to variable example:exec:执行字串语句>>> l=[12,3,4,4]>>> s = 'l.append(10)'>>> exec(s)>>> s'l.append(10)'>>> l[12, 3, 4, 4, 10]>>>eval:让字串变成与之对应的变量名>>> str = 'good'>>> good = 'hello!world'>>> eval(str)'hello!world'>>> good'...
在下文中一共展示了StringVariable.make方法的14个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。 示例1: concatenate_data ▲点赞 6▼ # 需要导入模块: from Orange.data import StringVariable [as 别名]# 或者: from Orange...
You have to use the Python strip() function with the string variable. Use the below-given example to perform this task. 1 2 myString = " Hello World! " print(myString.strip()); Output Hello World! The above example gives output after it removes the spaces from the start and end. ...
Usinglocals()to Convert String Into a Variable Thelocals()function in Python returns the dictionary of the current local symbol table. A local symbol table can be accessed with the help of thelocals()function. Thelocals()function almost works the same way as theglobals()function. The only di...
In this tutorial, we'll take a look at how to check if a variable is a string in Python, using the type() and isinstance() functions, as well as the is operator: Check if Variable is a String with type() Check if Variable is a String with is Operator Check if Variable is a Str...